854
CDHW40 PHFO 210245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST SAT SEP 20 2025
...............................
..THE HONOLULU CLIMATE SUMMARY FOR SEPTEMBER 20 2025
VALID TODAY AS OF 0425 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 154 PM 92 1986 88 1 88
1987
1995
MINIMUM 78 411 AM 68 1945 75 3 75
1955
1957
AVERAGE 84 82 2 82
PRECIPITATION (IN)
TODAY T 0.69 1968 0.03 -0.03 T
MONTH TO DATE 0.57 0.62 -0.05 0.01
SINCE SEP 1 0.57 0.62 -0.05 0.01
SINCE JAN 1 9.45 10.21 -0.76 9.72
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 16 3 17
MONTH TO DATE 358 337 21 355
SINCE SEP 1 358 337 21 355
SINCE JAN 1 3843 3414 429 3462
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 1200 AM
LOWEST 50 100 PM
AVERAGE 60
......................................................
THE HONOLULU CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 1990
1995
MINIMUM TEMPERATURE (F) 75 67 1975
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 1017 AM HDT SUNSET 1026 PM HDT
SEPTEMBER 21 2025.....SUNRISE 1017 AM HDT SUNSET 1025 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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